8561480

素因数分解:

$2^3\times 5^1\times {\mathrm{193}}^1\times {\mathrm{1109}}^1$

素因数の和:1313

約数の個数: 32

約数和(自身を含む): 19380600

約数和(自身を除く): 10819120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 193, 386, 772, 965, 1109, 1544, 1930, 2218, 3860, 4436, 5545, 7720, 8872, 11090, 22180, 44360, 214037, 428074, 856148, 1070185, 1712296, 2140370, 4280740, 8561480]

約数ペア:

[(1, 8561480), (2, 4280740), (4, 2140370), (5, 1712296), (8, 1070185), (10, 856148), (20, 428074), (40, 214037), (193, 44360), (386, 22180), (772, 11090), (965, 8872), (1109, 7720), (1544, 5545), (1930, 4436), (2218, 3860)]